Ground Penetrating Radar (GPR) also known as underground gas pipe locator is the general term applied to techniques which employ radio waves, typically in the 1 to 1000 MHz frequency range, to map structures and features buried in the ground (or in man-made structures). Ground Penetrating Radar works by emitting a pulse into the ground and recording the echoes that result from subsurface objects.
How far down does GPR go?
Ground penetrating radar can reach depths of up to 100 feet (30 meters) in low conductivity materials such as dry sand or granite. Moist clays, shale, and other high conductivity materials, may attenuate or absorb GPR signals, greatly decreasing the depth of penetration to 3 feet (1 meter) or less.
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Damage to underground electric cables can lead to severe burns and loose of public/private property. Even company’s main trained dedicated workforce /people may cause death or injured by electric shock, electrical spark (triggering a blast) and blazes.
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Ground-penetrating radar (GPR) is a geophysical surveying technique that uses radar impulses to produces a two-dimensional cross-section image of the subsurface. This non-destructive method uses electromagnetic radiation in the microwave band (UHF/VHF frequencies i.e. 10 MHz to 2.6 GHz.) of the radio spectrum and detects the reflected signals from subsurface structures.
A GPR transmitter emits electromagnetic energy into the ground. When the energy encounters a buried object or a boundary between materials having different conductivity, it may be reflected or refracted or scattered back to the surface. A receiving antenna can then record the variations in the return signal.
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Our industrial grade robust Multi frequency Ground-penetrating radar equipment has the capability to discover Locate Underground Gas Pipes and water line pipe very accurately up to 10 m below ground.